Edward Jones analyst Dan Sherman said in a research note that he expects CSX to continue improving efficiency, so the stock is attractive at current prices. CSX shares were down 63 cents, or about 1 percent, at $57.50 in extended trading …

JACKSONVILLE, Fla. (AP) — Shares of CSX slid Friday after the railroad said CEO Hunter Harrison will take a medical leave "due to unexpected complications from a recent illness." Chief Operating Officer James Foote will serve as acting …